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Feat/parquet to commitment #277

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Please be sure to look over the pull request guidelines here: https://github.com/spaceandtimelabs/sxt-proof-of-sql/blob/main/CONTRIBUTING.md#submit-pr.

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Rationale for this change

There is a need to be able to compute the table commitments for tables from parquet files.

What changes are included in this PR?

New utils directory with a script for calculating TableCommitments from parquet files and writing them to a file as a blob.

Are these changes tested?

Yes.

@stuarttimwhite stuarttimwhite force-pushed the feat/parquet-to-commitment-trevor branch from ca878b2 to 868f547 Compare October 17, 2024 15:56
@iajoiner iajoiner self-requested a review October 18, 2024 04:20
.map(|(precision, scale)| {
Arc::new(Field::new(
field.name(),
DataType::Decimal256(*precision, *scale),
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Our precision for big decimal columns generally exceed Decimal256 max precision which is 76

@stuarttimwhite stuarttimwhite force-pushed the feat/parquet-to-commitment-trevor branch from 03c901a to 9adf9cf Compare October 22, 2024 18:02
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3 participants